Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9492875 | Bit retaining system for rotary tool | Warren A. Ceroll, Gregory K. Griffin, Craig A. Schell, Robert S. Gehret, Joseph P. Kelleher | 2016-11-15 |
| 9238270 | Bit retaining system for rotary tool | Warren A. Ceroll, Gregory K. Griffin, Craig A. Schell, Robert S. Gehret, Joseph P. Kelleher | 2016-01-19 |